Home / 4,746.34-6,549.20-2,857.78

Finding the Fourth Proportional to 4,746.34, 6,549.20 and 2,857.78

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Solution

The fourth proportional to 4,746.34, 6,549.20 and 2,857.78 is: 3,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.34 : 6,549.20 = 2,857.78 : x
  2. Step 2: Convert to fraction form
    4,746.34/6,549.20 = 2,857.78/x
  3. Step 3: Cross multiply
    4,746.34x = 6,549.20 × 2,857.78
  4. Step 4: Simplify right side
    4,746.34x = 18,716,172.78
  5. Step 5: Solve for x
    x = 18,716,172.78/4,746.34
  6. Step 6: Final answer
    x = 3,943.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.